Chapter 23. Dissemination of Technical, Scientific and Engineering Information 15 U.S. Code §1151. Purpose of chapter 15 U.S. Code §1152. Clearinghouse for technical information; removal of security classification 15 U.S. Code §1153. Rules, regulations, and fees 15 U.S. Code §1154. Reference of data to armed services and other Government agencies 15 U.S. Code §1155. General standards and limitations; preservation of security classification 15 U.S. Code §1156. Use of existing facilities 15 U.S. Code §1157. Relation to other provisions